with secretary of state hillary clinton about the u.s. intervention in libya, how we got involved and how it will end. but we bring you a headline tonight. are there signs that colonel moammar gadhafi and those close to him may be trying to find an exit, even though gadhafi appeared on television, promising to win? also, as abc news has reported on "good morning america," libyan dip low malts say at least one of gadhafi's sons may now have been killed by a libyan pilot on a kamikaze mission so, here is what secretary clinton told us today about gadhafi and the report about his sons. there's a report that two of gadhafi's sons, at least one, but maybe two, have been killed. can you confirm this? >> well, i can't confirm it, but we've heard it. and we've heard a lot. >> reporter: credibly? >> well, we hear it from many different sources. and that's why i can't confirm it. i can't give confirmation because, you know, the evidence is not sufficient. but we've heard that. we heard about other people close to him reaching out to people that they know around the world, africa, the middle east, e